Single Phase Transformer
Quiz
•
Other
•
University
•
Practice Problem
•
Hard
Papun Biswas
Used 40+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following does not change in an ordinary transformer........
Frequency
Voltage
Current
Any of the above
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Transformer cores are laminated in order to.......
Minimise eddy current loss
Reduce cost
Simplify its construction
Reduce hysteresis loss
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A step-up transformer increases........
Power
Current
Voltage
Frequency
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A transformer transform........
Voltage
Current
Frequency
Voltage and current
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is not a basic element of transformer?........
Core
Primary Winding
Secondary Winding
Mutual Flux
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What will happen if the primary of a transformer is connected to D.C supply?
Transformer will operate with low efficiency
Transformer will operate with high efficiency
Transformer may start to smoke and burn
No effect
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
E.M.F Equation of the Transformer is _________.
E1 = 4.44 f N1 Øm , E2=4.44 f N2 Øm
E1= 4.44 f N1 Bm A , E2 = 4.44 f N2 BmA
E1= 4.44 N1 Øm/T , E2=4.44 N2 Øm/T
All of the above
None of the above
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